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  • FLUKE 975 AirMeter

    # 975

    • One-touch air flow and velocity with available probe*
    • Wet bulb and dew point temperature
    • % of outside air calculation

    The Fluke 975 offers an unparalleled featureset for HVAC and facilities technicians, helping them work more quickly and accurately, with the ease of use and durability customers expect from a Fluke meter.

    Simultaneously measures, logs, and displays temperature, humidity, CO2, and CO on a bright, backlit LCD display


    • One-touch air flow and velocity with available probe*
    • Wet bulb and dew point temperature
    • % of outside air calculation
    • CO2 and CO field calibration feature
    • Self-test function at startup
    • Auto-backlight
    • Automatically compensates for barometric pressure changes
    • Min/Max/Average on all measured and calculated readings
    • Multi-language user interface
    • Metric or standard units
    • Audible and visual threshold alarms
    • Extensive discrete or continuous data logging capacity, downloadable to PC via USB interface
    • Keypad lock for security
    • Included FlukeView Forms® software
    • *Included with Fluke 975V, optional with Fluke 975


    The Fluke 975 measures:

    • Temperature
    • Velocity
    • Humidity
    • CO2
    • CO


    Use the Fluke 975 AirMeter test tool to:

    • Respond to comfort-related calls from occupants.
    • Verify the operation of building HVAC control systems.
    • Determine whether adequate ventilation exists.
    • Monitor air flow and velocity.
    • Test for dangerous carbon monoxide leaks.
    • Perform duct traversals.
    • Optimize HVAC systems to manage energy costs
    Measured Specifications
    TemperatureRange-20°C to 50°C (-5°F to 122°F)
    Display resolution0.1°C (0.1°F)
    Accuracy±0.9°C / ±1.62°F from 40°C to 60°C
    ±0.5°C / ±1.00°F from 5°C to 40°C
    ±1.1°C / ±1.98°F from -20°C to 5°C
    Relative humidityRange10% to 90% RH, non-condensing
    Display resolution1%
    Accuracy±2% RH (10% RH to 90% RH)
    Air velocityRange50.0 fpm to 3000 fpm
    0.25 m/sec to 15 m/sec
    Display resolution1 fpm (0.005 m/sec)
    Accuracy±4% or 4 fpm1
    ±4% or 0.02 m/sec1 whichever is greater
    1. Accuracy specification only valid for velocity readings above 50 fpm.
    C0Range0 to 500 ppm
    Display resolution1 ppm
    Accuracy±5% or ±3 ppm, whichever is greater, @ 20°C and
    50% RH
    C02Range0 to 5000 ppm
    Display resolution1 ppm
    AccuracyWarm up time 1 min (5 minutes for full specification) 2.75% + 75 ppm
    Calculated Specifications
    Dew point temperatureRange-44°C to 50°C, (-47°F to 122°F)
    Display resolution0.1°C (0.1°F)
    Accuracy±1°C when temp: -20°C to 50°C RH: 40% to 90%
    ±2°C when temp: -20°C to 50°C RH: 20% to 40%
    ±4°C when RH: 10% to 20%
    Wet bulb temperatureRange-16°C to 50°C, (3°F to 122°F)
    Display resolution0.1°C, (0.1°F)
    Accuracy±1.2°C when RH: 20% to 90% temp: -20°C to 60°C
    ±2.1°C when RH: 10% to 20%
    Volume flow rate (in a duct)Range0 to 3,965 M3/m, (0 to 140,000 cfm)
    Display resolution0.001 M3/min, (1 cfm)
    AccuracyN/A: The volume flow calculation will be a simple average of the data points times the duct area
    % outside air (based on temperature)Range0 to 100%
    Display resolution0.1
    % outside air (based on CO2)Range0 to 100%
    Display resolution0.1% N/A
    General Specifications
    Operating and storage temperature-20°C to 50°C (-4°F to 122°F)
    Humidity10% to 90% (non-condensing)
    AltitudeUp to 2000 m (6562 ft)
    Shock and vibrationMIL-PRF-28800F: Class 2
    Multi-language interfaceEnglish, French, Spanish, Portuguese and German
    BatteryRechargeable Li-Ion (primary), three-AA (backup)
    Data logging25,000 records (continuous), 99 records (discrete)
    Manufacturer WarrantyTwo-years
    • 1 – Calibration Cap
    • 1 – FlukeView Forms Software
    • 1 – Power Adapter and International Power Plugs
    • 3 – AA Batteries
    • 1 – Hard Carrying Case
    • 1 – User Manual

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